Removes now unused libboost-test from Vagrantfile.
Removes now unused libboost-test from Vagrantfile.

nanodbc/nanodbc,mcg1969/nanodbc,mcg1969/nanodbc,norsync/nanodbc,ChrisBFX/nanodbc,norsync/nanodbc,ChrisBFX/nanodbc,nanodbc/nanodbc